Entry 4 senses · 3 variants Webster, 1913 Wheal /wēl/ · IPA /wiːl/ n. n. n. 01 n. A pustule; a whelk. 1. A pustule; a whelk. 02 n. A more or less elongated mark raised by a stroke; also, a similar mark made by any cause; a weal; a wale. 1. A more or less elongated mark raised by a stroke; also, a similar mark made by any cause; a weal; a wale. 2. Specifically (Med.), a flat, burning or itching eminence on the skin, such as is produced by a mosquito bite, or in urticaria.(Med.) 03 n. A mine. 1. A mine.(Mining)